* {
    margin: 0;
    padding: 0;
}
li {
    list-style: none;
}
.clear {
    clear: both;
}
.main-left {
    display: inline-block;
    width: 67%;
    position: absolute;
    top: 0;
    left: 0;
}
.main-right {
    display: inline-block;
    width: 30%;
    position: absolute;
    top: 0;
    right:0;
}
.box {
    width: 1364px;
    // 四份 241px
    // 3 454px
    // border: 1px solid black;
    margin: auto;
    background: #f4f4f4;
}